What is the quality inspection of electronic products? Detailed explanation of component inspection standards

Date：2021-12-01 11:40:59 Views：1489

Now, with the progress of society, there are more and more electronic products on the market, such as watches, smart phones, telephones, televisions and so on. After these electronic products are developed, some companies flow directly to the market without testing. In fact, this is unqualified. Any company must carry out various tests on its products to confirm whether they meet the standards. You can only go online if you meet the standards. For this reason, many friends will pay great attention to the quality inspection of electronic products? What are the inspection standards for electronic products? Next, we will answer them one by one.

Common testing standards and basis of electronic products:

Common testing products are divided into four categories:

1. Household appliances shall be tested according to GB4706 standard

2. AV audio and video shall be tested according to gb8898 standard

3. It information technology is tested according to gb4943 standard

4. LED lamps shall be tested according to GB7000 standard

Test contents of electronic products

Performance: performance refers to the technical characteristics of the product to meet the purpose of use, including service performance, mechanical performance, physical and chemical performance, appearance requirements, etc.

Reliability: reliability refers to the performance of the product to complete the task within the specified time and under the specified conditions, including average life, failure rate, average maintenance time interval, etc.

Safety: safety refers to the degree of ensuring the safety of products during operation and use.

Adaptability: adaptability refers to the adaptability of the product to natural environmental conditions, such as temperature, humidity, pH value, etc.

Economy: economy refers to the cost of products and the consumption of maintaining normal work.

Time: time refers to the timeliness of products entering the market and timely provision of technical support and maintenance services after sales.

Inspection standards for electronic products

Packaging inspection

1. Check whether the package is intact and whether there is 3C certification mark and certificate number on the color box (applicable to electronic products subject to national compulsory certification).

2. Check whether the number of accessories is correct. There is no misplacement, omission or mixing of accessories.

Appearance inspection

1. Check that the product surface shall be free of scratch, pit, stain, stripe, damage, crack, deformation, color difference, burr and inequality.

2. Check the main parameters on the product identification, such as rated voltage, rated frequency, power type and symbol, rated input power, rated pressure, etc.

Structural and internal wiring inspection

1. Check the structural stability of the product, there is no assembly dislocation, and there is no abnormal loosening or jamming. In addition, the whole machine needs to be shaken for inspection, and there shall be no abnormal noise inside the machine.

2. Check that the internal wires, power lines, fuses, functional parts and other parts of the product must have national compulsory certification marks. And the internal wiring of the product shall meet the standards.

Functional test

Check the actual function of the product. Carry out relevant functional tests according to the product operation instructions. Relevant inspections shall be carried out in strict accordance with the operating procedures in the operating instructions.

Electric shock protection

1. When the product is installed and operated under normal use mode, it shall have sufficient protection to prevent contact with the live part of the switch at any use position and after removing any easily removable parts. Handles, self-locking buttons and other accessible parts of the product shall be made of insulating material.

2. Inspection method: conduct high potential test, or observe with naked eyes or touch every possible part with standard test fingers.

Durability test

The product is tested in the boiler. After 4h, the product has no crash, int phenomenon, excessive heating and can work normally.